package com.jason.bookworm.utils;

import org.jetbrains.annotations.NotNull;
import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

@Component
public class SpringContextUtil implements ApplicationContextAware {
    private static ApplicationContext applicationContext;

    @Override
    public void setApplicationContext(@NotNull ApplicationContext applicationContext) throws BeansException {
        SpringContextUtil.applicationContext=applicationContext;
    }

    public static ApplicationContext getApplicationContext() {
        return applicationContext;
    }

    public static <T> T getBean(Class<T> requiredType){
        //assertContextInjected();
        return (T) getApplicationContext().getBean(requiredType);
    }

    @SuppressWarnings("unchecked")
    public static <T> T getBean(String name) throws BeansException {
        if (applicationContext == null){
            return null;
        }
        return (T)applicationContext.getBean(name);
    }
}
